FR938695A - Interrupteurs de circuits - Google Patents
Interrupteurs de circuitsInfo
- Publication number
- FR938695A FR938695A FR938695DA FR938695A FR 938695 A FR938695 A FR 938695A FR 938695D A FR938695D A FR 938695DA FR 938695 A FR938695 A FR 938695A
- Authority
- FR
- France
- Prior art keywords
- circuit switches
- switches
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US375968A US2282153A (en) | 1941-01-25 | 1941-01-25 | Circuit interrupter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR938695A true FR938695A (fr) | 1948-10-21 |
Family
ID=23483124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938695D Expired FR938695A (fr) | 1941-01-25 | 1946-10-24 | Interrupteurs de circuits |
Country Status (5)
Country | Link |
---|---|
US (1) | US2282153A (fr) |
CH (1) | CH252897A (fr) |
FR (1) | FR938695A (fr) |
GB (1) | GB552608A (fr) |
NL (1) | NL105709C (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422805A (en) * | 1943-04-17 | 1947-06-24 | Ite Circuit Breaker Ltd | Air blast circuit breaker |
US2464237A (en) * | 1943-05-24 | 1949-03-15 | Allis Chalmers Mfg Co | Fluid pressure actuated switch |
US2447656A (en) * | 1944-05-24 | 1948-08-24 | Westinghouse Electric Corp | Compressed gas-operated circuit interrupter with position indicator |
US2491945A (en) * | 1945-11-13 | 1949-12-20 | Westinghouse Electric Corp | Circuit interrupter |
GB668276A (en) * | 1948-04-20 | 1952-03-12 | Willis Bevan Whitney | Improvements in gas-blast electric circuit-breakers |
US2548221A (en) * | 1949-02-15 | 1951-04-10 | Allis Chalmers Mfg Co | Fluid pressure actuated switch |
NL8304325A (nl) * | 1983-12-15 | 1985-07-01 | Thiel Van Nv | Harkgereedschap. |
-
0
- NL NL105709D patent/NL105709C/xx active
-
1941
- 1941-01-25 US US375968A patent/US2282153A/en not_active Expired - Lifetime
-
1942
- 1942-01-09 GB GB363/42A patent/GB552608A/en not_active Expired
-
1946
- 1946-01-28 CH CH252897D patent/CH252897A/de unknown
- 1946-10-24 FR FR938695D patent/FR938695A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL105709C (fr) | 1900-01-01 |
GB552608A (en) | 1943-04-15 |
US2282153A (en) | 1942-05-05 |
CH252897A (de) | 1948-01-31 |
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